package com.jia.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.LinkedHashMap;

@Configuration
public class ShiroConfig {



    // 1创建realm对象
    @Bean(name = "userRealm")
    public UserRealm userRealm() {
        return new UserRealm();
    }
    // 2 DefaultWebSecurityManager 中间商
    @Bean
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        // 关联userRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    // 3 ShiroFilterFactoryBean
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("getDefaultWebSecurityManager") DefaultWebSecurityManager defaultWebSecurityManager) {
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        // 设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);
        // 添加shiro的内置过滤器
        /*
        * anon: 无需认知就可访问
        * authc：必须认证才能访问
        * user：必须拥有记住我功能才能用
        * perms：拥有对某个资源的权限才能访问
        * role：拥有某个角色权限才能访问
        * */
        HashMap<String, String> filterMap = new LinkedHashMap<>();
        // filterMap.put("/add","authc");
        // filterMap.put("/update","authc");
        // 授权 401 正常情况下回进入未授权页面
        filterMap.put("/user/add","perms[user:add]");
        filterMap.put("/user/update","perms[user:update]");

        // 拦截
        filterMap.put("/user/*","authc");

        // 未授权跳转
        bean.setUnauthorizedUrl("/unauth");
        // 设置登录的页面请求
        bean.setLoginUrl("/toLogin");
        bean.setFilterChainDefinitionMap(filterMap);
        return bean;
    }
    //ShiroDialect 整合 shiro和thymeleaf
    @Bean
    public ShiroDialect getShiroDialect() {
        return new ShiroDialect();
    }

}
